<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>documentName</title>
    <link rel="stylesheet" href="" />
  </head>
  <body>
    <div class="parent">
      <h2>图片容器</h2>
      <div>
        <button id="btn">设置图片</button>
      </div>
      <div class="image">
        <img src="https://fygtest-1304421005.cos.ap-nanjing.myqcloud.com/banner/20.jpeg" alt="" />
      </div>
    </div>

    <script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.7.1/jquery.min.js"></script>
    <script>
      $(function () {
        $('#btn').click(function () {
          // 替换 .image 的内容
          $('.parent').find('.image').html('<strong>图片替换为文字</strong>')
        })
      })
    </script>
  </body>
</html>
